Below are the mobile number series starting with 7812. 7812 mobile series has been awarded to Reliance Mobile GSM Operator for Tamil Nadu Circle. So, all the numbers starting with 7812, including 78120, 78121, 78122, 78123, 78124, 78125, 78126, 78127, 78128 and 78129 belong to Reliance Mobile GSM Tamil Nadu. There are a total of around 10 lac (One million) mobile numbers possible with the series 7812. With each sub-series like 78120, around 1 lac (99,999 to be precise) mobile numbers are possible.

You can click on any of the number series below to view the sub-series / list of numbers under them, starting with 7812 ( Seven Eight One Two ).